Adapter assembly



FIG. 1 is a front perspective view of an adapter assembly according to our design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top elevation view thereof; and,

FIG. 7 is a bottom elevation view thereof.

Broken lines are environmental only and form no part of the claimed design. 

CLAIM The ornamental design for an adapter assembly, as shown and described. 